	Connective and soft tissue cancers, n=20			Cirrhosis of the liver, n=97			NMRD, n=430			COPD, n=248
	n	HR	95% CI	n	HR	95% CI	n	HR	95% CI	n	HR	95% CI
Cumulative exposure*
<63 ppm-years	1	Ref	–	11	Ref	–	62	Ref	–	35	Ref	–
63 to <287 ppm-years	1	1.0	0.1 to 16.7	19	1.8	0.9 to 3.8	85	1.4	1.0 to 2.0	56	1.7	1.1 to 2.5
287 to <865 ppm-years	3	2.9	0.3 to 28.0	22	2.0	1.0 to 4.1	93	1.4	1.0 to 1.9	59	1.6	1.0 to 2.4
865 to <2271 ppm-years	5	4.6	0.5 to 39.5	24	2.1	1.0 to 4.3	100	1.4	1.0 to 1.9	52	1.3	0.8 to 1.9
≥2271 ppm-years	10	8.9	1.1 to 69.8	21	1.7	0.9 to 3.7	90	1.1	0.8 to 1.5	46	1.0	0.6 to 1.5

*Quintiles of cumulative exposure based on distributions among the full cohort, n=9951.
†All models unadjusted.
COPD, chronic obstructive pulmonary disease; NHL, non-Hodgkin’s lymphoma; NMRD, non-malignant respiratory disease; ppm, parts per million; Ref, referent.